CN114654061B - Welding heating device and repairing process for abrasion surface of base of wheel processing machine tool - Google Patents
Welding heating device and repairing process for abrasion surface of base of wheel processing machine tool Download PDFInfo
- Publication number
- CN114654061B CN114654061B CN202210417497.1A CN202210417497A CN114654061B CN 114654061 B CN114654061 B CN 114654061B CN 202210417497 A CN202210417497 A CN 202210417497A CN 114654061 B CN114654061 B CN 114654061B
- Authority
- CN
- China
- Prior art keywords
- welding
- rod
- base
- machine tool
- adopting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003466 welding Methods 0.000 title claims abstract description 216
- 238000010438 heat treatment Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012545 processing Methods 0.000 title claims abstract description 27
- 238000005299 abrasion Methods 0.000 title claims description 18
- 239000000463 material Substances 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 22
- 230000007547 defect Effects 0.000 claims description 12
- 229910052786 argon Inorganic materials 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 7
- 229910001060 Gray iron Inorganic materials 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 7
- 238000003754 machining Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 239000010953 base metal Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- 238000010583 slow cooling Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- LNSPFAOULBTYBI-UHFFFAOYSA-N [O].C#C Chemical group [O].C#C LNSPFAOULBTYBI-UHFFFAOYSA-N 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 abstract 3
- 239000010410 layer Substances 0.000 description 33
- 230000035882 stress Effects 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- QFXZANXYUCUTQH-UHFFFAOYSA-N ethynol Chemical group OC#C QFXZANXYUCUTQH-UHFFFAOYSA-N 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a welding heating device and a repairing process of a wear surface of a base of a wheel processing machine tool, wherein the welding heating device comprises a disc base, a baking gun, a rotating part and a locking screw; the disc base comprises a disc base body, a through hole is formed in the center of the disc base body, and an installation cylinder with the inner diameter consistent with the diameter of the through hole is arranged at the bottom side of the through hole; the rotating component is rotatably arranged in the mounting cylinder; the baking gun is movably arranged on the rotating part and is locked by the locking screw rod. The welding device has novel design, simple and reasonable structure, convenient material drawing and manufacturing, simple operation and strong practicability, can effectively meet the welding repair of each concave wearing surface of the machine tool base by matching with the repair process, and has low investment cost, short repair time and the like.
Description
Technical Field
The invention belongs to the technical field of welding, and relates to a welding heating device and a repairing process for a wear surface of a base of a wheel processing machine tool.
Background
The vertical numerically controlled lathe is one automatic numerically controlled machine tool for machining parts, including inner and outer cylindrical surfaces, conical surface, end surface, notch and chamfer, especially brake hub, drum, clutch disc, flywheel casing, etc. The main structure of the vertical numerical control lathe for processing various wheels is a single-column vertical guide rail structure, and the upright column, the fixed base, the rotary carriage flower disc and the like all adopt a high-grade gray cast iron resin sand casting process and undergo aging treatment; the matching guide rail surface adopts ultrasonic quenching and plastic pasting treatment; the machine tool is reasonable in structural design, perfect in processing and assembling process and capable of guaranteeing stability and precision retention of long-term use.
The processing of various wheel surfaces and holes is through rotatory balladeur train flower disc fixed back, rotates on the unable adjustment base face and forms through cutter arbor processing, and unable adjustment base face horizontal precision directly influences the wheel processing size, but because rotatory balladeur train flower disc bottom surface and unable adjustment base face contact friction in long-term course of working, lead to tiny processing iron fillings to slowly permeate wherein, lathe base 1 as shown in fig. 1 can cause inside and outside circular concave wear surface 6, and the extension wearing and tearing volume increases along with the time, not only influences the precision operation of whole lathe but also the wheel size of processing exceeds standard. If the new unable adjustment base of part change probably causes not according with original worn and torn spare part size, can not directly use, if send the producer to restore and not only cycle length and extravagant purchase cost, and consider the rotatory balladeur train flower disc of on-the-spot split to weld and restore, but this kind of material cast iron is the gray cast iron weldability relatively poor, and the problem that exists presents: (1) The gray cast iron has low strength and basically no plasticity, and the higher carbon content and S, P content of the gray cast iron also increase the change of the welding cooling speed and the sensitivity of cold and hot crack generation, and particularly, the white mouth and crack are easy to form in a welding joint; (2) After the rotary carriage flower disc is detached, the integral machine tool with the large fixed base is not provided with heating conditions if the integral machine tool is heated.
Disclosure of Invention
Aiming at the difficulties existing in the prior art when the abrasion surface of the base of the wheel processing machine tool is welded and repaired, the invention provides a welding heating device and a repairing process for the abrasion surface of the base of the wheel processing machine tool.
The technical scheme for solving the technical problems is as follows:
the invention relates to a welding heating device for a wear surface of a base of a wheel processing machine tool, which comprises a disc base, a baking gun, a rotating part and a locking screw rod, wherein the disc base is provided with a welding groove; the disc base comprises a disc base body, a through hole is formed in the center of the disc base body, and an installation cylinder with the inner diameter consistent with the diameter of the through hole is arranged at the bottom side of the through hole; the rotating component is rotatably arranged in the mounting cylinder; the baking gun is movably arranged on the rotating part and is locked by the locking screw rod.
Further, rotating member is including rotatable the setting in the inboard rotation axis of installation section of thick bamboo, and the rotation axis top is provided with the connecting block, and connecting block one side is fixed to be provided with the rotary rod, and the jack that link up about having seted up to its top level, its top has offered the locking screw with the jack intercommunication downwards, locking screw sets up in locking screw, the tail end of roast rifle inserts in the jack and locks through locking screw.
Further, the baking gun is an H01-20 baking gun.
Further, the disc base is machined by a 40mm thick steel plate, the rotating rod and the rotating shaft of the rotating component are respectively machined by phi 20mm round bars and phi 80mm round bars, and the locking screw is machined by phi 10mm round bars.
The invention relates to a repairing process of a wear surface of a wheel processing machine tool base, which is used for welding and repairing a plurality of round concave wear surfaces on the machine tool base for wheel processing, firstly manufacturing a welding heating device of the wear surface of the wheel processing machine tool base according to the dimension specification of the machine tool base, and fixedly arranging the welding heating device on the machine tool base, wherein the repairing process comprises the following steps:
step one, preparing before welding;
1.1 -welding equipment: digitally controlling inversion type manual welding rod arc welding and argon arc welding to be combined by using a direct current welding machine, wherein a Z308 welding rod is adopted as a welding material;
1.2 A heating device): h01-20 heating gun;
1.3 -auxiliary facilities): angle grinder, file, hand hammer, flat spade, face mask, sample plate, thermometer, magnifying glass and heat preservation cotton;
1.4 Weld material): a bulk gray cast iron;
1.5 Surfacing requirements before welding): cleaning each concave wearing surface by a manual angle grinder to remove rust, grease and water;
1.6 A) welding position: horizontally welding a U-shaped groove on the integral welding line;
1.7 -welding requirements): all the welding layers must be free of any welding defects and fused to the base material;
1.8 And welding process parameters: setting welding parameters according to welding equipment, welding materials, weldment materials and welding requirements;
step two, welding is carried out;
2.1 Cutting a U-shaped groove along the abrasion surface by adopting a manual angle grinder due to irregular abrasion surfaces of the concave shapes, heating to 600-700 ℃ by adopting an oxygen-acetylene flame baking gun at 20-30mm at two sides of the U-shaped groove, performing temperature verification by adopting a temperature measuring gun during heating, performing bottom welding by adopting a Z308 welding rod with phi of 3.2mm through digitally controlling inversion type manual welding rod arc welding and argon arc welding and using a direct current welding machine after the temperature reaches, baking the baking gun before the welding rod during welding, and after the abrasion surface of the body is slowly heated to reach the temperature, moving the rotary baking gun along the circumference forwards, and simultaneously moving the welding rod forwards along with a temperature area until the bottom welding is finished, and immediately adopting hammering to enable the surface of the welding seam to be covered with pits so as to eliminate welding stress;
2.2 After confirming that the bottom layer has no welding defect, the temperature between the filling layer and the cover layer is continuously kept at 600-700 ℃ by a baking gun, the combination of digital control inversion type manual welding rod arc welding and argon arc welding is carried out by a direct current welder by adopting a Z308 welding rod with the diameter of 4.0mm, the horizontal included angle of the welding rod is 80-90 degrees, the strip conveying method is in a small crescent shape, welding is carried out by adopting the arc length of 12-18mm, and the surface of a welding seam is fully covered with pits by hammering immediately after each layer is welded so as to eliminate welding stress, and finally, the cover surface of the surfacing layer is higher than a base metal, so that the manual grinding and smooth transition with the base metal are facilitated;
2.3 And (3) heating the welding seam to 700-900 ℃ by using a baking gun after all the concave wearing surfaces are welded, carrying out stress relief treatment, adopting heat preservation cotton to cover the whole body and cooling to room temperature along with slow cooling to 250 ℃, and accurately grinding and processing the welding seam of each concave wearing surface by using a manual angle grinder after no defect is detected and confirmed by flaw detection, and carrying out template comparison to recover the use tolerance size.
Further, when each concave wearing surface is welded and repaired, the welding directions of the welding seams of the bottom layer and the cover layer are the same, and the welding directions of the welding seams of the filling layer are the same and opposite to the welding directions of the welding seams of the bottom layer and the cover layer.
Further, when each concave abrasion surface is welded and repaired, the bottom layer is welded once, the filling layer is welded twice, and the cover layer is welded three times.
Further, the welding equipment is a welding machine for combining digital control inversion type manual welding rod arc welding and argon arc welding with the model HT400D or HT 500D.
Further, when the bottom layer is welded, a Z308 welding rod with phi of 3.2mm is adopted, the welding current is 90-130A, the arc voltage is 24+/-1V, and the welding speed is 17+/-1 cm/min; when the filling layer and the cover layer are welded, a Z308 welding rod with the diameter of 4.0mm is adopted, the welding current is 150-180A, the arc voltage is 26+/-1V, and the welding speed is 19+/-1 cm/min.
Compared with the prior art, the welding heating device for the wear surface of the base of the wheel processing machine tool has the advantages of novel design, simple and reasonable structure, convenient material drawing and manufacturing, simplicity and easiness in operation, the circumferential movement of the front end part of the baking gun can be realized through the rotating part, the pre-welding local preheating and the post-welding heat treatment of the concave wear surface are realized, and meanwhile, the baking gun can move left and right on the rotating part, so that the heating radius is adjusted, and the heating requirements of the concave wear surfaces at different positions are met; the welding heating device for the wear surface of the wheel processing machine tool base is matched with the repairing process, can effectively meet the welding repairing of each concave wear surface of the machine tool base, and has the advantages of low investment cost, short repairing time and strong practicability.
Drawings
FIG. 1 is a schematic view of a machine tool base of the present invention;
FIG. 2 is a schematic view of the welding heating device of the present invention applied to the wear surface of the base of the wheel machine;
FIG. 3 is an exploded view of the welding heating device of the wear surface of the base of the wheel machine tool of the present invention;
FIG. 4 is a schematic view of a disc base according to the present invention;
FIG. 5 is a schematic illustration of the welding sequence (side) of a U-groove of a concave wear surface in accordance with the present invention;
FIG. 6 is a schematic view (plan) of a welding sequence of a U-groove of a concave wear surface in accordance with the present invention;
in the figure: 1. a machine tool base; 2. a disc base; 21. a disc base body; 22. a mounting cylinder; 23. a through hole; 3. baking gun; 4. a rotating member; 41. a rotating rod; 42. a rotation shaft; 43. a connecting block; 44. a jack; 45. locking the screw hole; 5. locking the screw rod; 6. concave wear surfaces.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. As used in the specification and claims of the present disclosure, "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "transverse", "longitudinal", etc. are used merely to indicate relative positional relationships, which change when the absolute position of the object to be described changes accordingly.
Example 1:
as shown in figures 1-4, the welding heating device for the wear surface of the base of the wheel processing machine tool comprises a disc base 2, a baking gun 3, a rotating part 4 and a locking screw 5, wherein the baking gun is generally H01-20 baking gun, and a large gun is convenient for quick local temperature elevation and meets the temperature required by a welding process; the disc base 2 comprises a disc base body 21, a through hole 23 is formed in the center of the disc base body 21, and a mounting cylinder 22 with the inner diameter consistent with the diameter of the through hole 23 is arranged at the bottom side of the through hole 23; the rotary member 4 is rotatably provided in the mounting cylinder 22; the baking gun 3 is movably arranged on the rotary part 4 and is locked by a locking screw 5. Further, the rotating member 4 includes a rotating shaft 42 rotatably disposed at the inner side of the mounting cylinder 22, a connecting block 43 is disposed at the top of the rotating shaft 42, a rotating rod 41 is fixedly disposed at one side of the connecting block 43, a jack 44 extending horizontally is horizontally disposed on the rotating rod, a locking screw hole 45 communicated with the jack 44 is downwardly disposed at the top of the rotating rod, the locking screw 5 is disposed in the locking screw hole 45, the tail end of the baking gun 3 is inserted into the jack 44 and locked by the locking screw 5, thus the baking gun 3 can be moved along the circumference by pushing the rotating rod 41 to realize circumferential heating, and meanwhile, the radius of circumferential heating of the baking gun 3 can be realized by adjusting the position of the baking gun 3 in the jack 44 of the connecting block 43.
In this embodiment, the disc base 2 is machined from a 40mm thick steel plate, the rotary rod 41 and the rotary shaft 42 of the rotary member 4 are machined from phi 20mm and phi 80mm round bars, respectively, and the locking screw 5 is machined from a phi 10mm round bar.
When the device is applied, the disc base 2 is fixed on the machine tool base 1, the rotary shaft 42 of the rotary part 4 is placed in the mounting cylinder 22, then the rear end part of the baking gun 3 is inserted into the insertion hole 44, the heating radius of the baking gun 3 is adjusted, then the rear end part of the baking gun 3 is locked by screwing the locking screw 5 into the locking screw hole 45, then welding can be implemented, and in the welding process, the concave abrasion surface 6 on the machine tool base 1 can be heated by the baking gun 3 through manually rotating the rotary rod 41.
Example 2:
as shown in fig. 1 to 6, the repairing process of the wear surface of the machine tool base for wheel machining of the present invention is used for welding and repairing a plurality of circular concave wear surfaces 6 on the machine tool base 1 for wheel machining, firstly, the welding heating device for the wear surface of the machine tool base for wheel machining described in embodiment 1 is manufactured according to the dimension specification of the machine tool base 1, and is fixedly arranged on the machine tool base 1, and then, welding is performed. The welding process route is as follows: installing a welding heating device, cleaning a wear-resistant surface, cutting a U-shaped groove by a manual angle grinder, heating a local welding position, welding a bottom layer, hammering a welding line surface, confirming defects, controlling interlayer temperature, welding a filling layer, hammering the welding line surface, confirming defects, surface welding, confirming defects, heating thermal insulation cotton after welding to cover slow cooling, manually grinding, detecting, checking and accepting, and delivering for use.
The repairing process comprises the following steps:
step one, preparing before welding;
1.1 -welding equipment: the model is HT400D or HT500D digital control inversion type manual welding rod arc welding and argon arc welding are combined by a direct current welding machine, and Z308 welding rods with phi of 3.2mm and phi of 4.0mm are adopted as welding materials;
1.2 A heating device): h01-20 heating gun;
1.3 -auxiliary facilities): angle grinder, file, hand hammer, flat spade, face mask, sample plate, thermometer, magnifying glass and heat preservation cotton;
1.4 Weld material): a bulk gray cast iron;
1.5 Surfacing requirements before welding): cleaning each concave wearing surface 6 by a manual angle grinder to remove rust, grease and moisture;
1.6 A) welding position: horizontally welding a U-shaped groove on the integral welding line;
1.7 -welding requirements): all the welding layers must be free of any welding defects and fused to the base material;
1.8 And welding process parameters: setting welding parameters according to welding equipment, welding materials, weldment materials and welding requirements;
welding process parameters
Step two, welding is carried out;
2.1 Cutting a U-shaped groove along the abrasion surface by adopting a manual angle grinder due to the irregular concave abrasion surface 6, heating to 600-700 ℃ at 20-30mm at two sides of the U-shaped groove by adopting an oxy-acetylene flame baking gun 3, performing temperature verification by adopting a temperature measuring gun during heating, performing bottom welding by adopting a Z308 welding rod with phi of 3.2mm through digitally controlling inversion type manual electrode arc welding and argon arc welding and adopting a direct current welder after the temperature reaches, baking the baking gun 3 before the welding rod during welding, rotating the baking gun 3 to move forwards along the circumference after the abrasion surface of the body is slowly heated to reach the temperature, and performing forward welding movement along with a temperature area of the welding rod until the bottom welding is finished, and immediately adopting hammering to enable the surface of a welding seam to be covered with pits so as to eliminate welding stress;
2.2 After confirming that the bottom layer has no welding defect, the temperature between the filling layer and the cover layer is continuously kept at 600-700 ℃ by a baking gun 3, the combination of digital control inversion type manual arc welding rod welding and argon arc welding is also carried out by a direct current welder by adopting a Z308 welding rod with the diameter of 4.0mm, the horizontal included angle of the welding rod is 80-90 degrees, the strip conveying method is in a small crescent shape, the welding with the arc length of 12-18mm is beneficial to the melting of a coating and the transition of graphite into a molten pool, the head and the tail are completely covered, the surface of a welding line is immediately covered with a pit by hammering after each layer is welded so as to eliminate welding stress, and finally, the cover surface of the surfacing layer is higher than that of a base material, thereby being convenient for the smooth transition of manual grinding and the base material;
2.3 And (3) after all the concave wearing surfaces 6 are welded, heating the welding seams to 700-900 ℃ by using a welding heating device to eliminate stress, cooling to room temperature by adopting heat preservation cotton to cover the whole body after slowly cooling to 250 ℃, precisely grinding and processing the welding seams of all the concave wearing surfaces 6 by using a manual angle grinder after no defects are confirmed by detecting flaw detection, and comparing by adopting a template which is manufactured firstly and accords with the requirements, and recovering the use tolerance size.
In this embodiment, as shown in fig. 5 and 6, when each concave wear surface 6 is welded and repaired, the welding directions of the welding seams of the bottom layer and the cover layer are the same, and the welding directions of the welding seams of the filling layer are the same and opposite to the welding directions of the welding seams of the bottom layer and the cover layer. Further, when each concave wearing surface 6 is welded and repaired, the bottom layer is welded once, the filling layer is welded twice, and the cover layer is welded three times.
The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention should be defined by the claims.
Claims (5)
1. A repairing process of a wheel processing machine tool base wear surface is used for welding and repairing a plurality of round concave wear surfaces (6) on a machine tool base (1) for wheel processing, a welding heating device of the wheel processing machine tool base wear surface is manufactured according to the size specification of the machine tool base (1) and is fixedly arranged on the machine tool base (1), and the welding heating device of the wheel processing machine tool base wear surface comprises a disc base (2), a baking gun (3), a rotating part (4) and a locking screw (5); the disc base (2) comprises a disc base body (21), a through hole (23) is formed in the center of the disc base body (21), and an installation cylinder (22) with the inner diameter being consistent with the diameter of the through hole (23) is arranged at the bottom side of the through hole (23); the rotary part (4) is rotatably arranged in the mounting cylinder (22); the baking gun (3) is movably arranged on the rotating part (4) and locks the rotating part and the baking gun through the locking screw rod (5); the rotary component (4) comprises a rotary shaft (42) which is rotatably arranged on the inner side of the mounting cylinder (22), a connecting block (43) is arranged at the top of the rotary shaft (42), a rotary rod (41) is fixedly arranged on one side of the connecting block (43), a jack (44) which is penetrated left and right is horizontally arranged on the rotary rod, a locking screw hole (45) which is communicated with the jack (44) is downwards arranged at the top of the rotary rod, the locking screw (5) is arranged in the locking screw hole (45), and the tail end of the baking gun (3) is inserted into the jack (44) and is locked through the locking screw (5); the repairing process comprises the following steps:
step one, preparing before welding;
1.1 Welding equipment: digitally controlling inversion type manual welding rod arc welding and argon arc welding to be combined by using a direct current welding machine, wherein a Z308 welding rod is adopted as a welding material;
1.2 Heating device: h01-20 heating gun;
1.3 Auxiliary facilities: angle grinder, file, hand hammer, flat spade, face mask, sample plate, thermometer, magnifying glass and heat preservation cotton;
1.4 Weld material): a bulk gray cast iron;
1.5 Surfacing requirements before welding): cleaning each concave abrasion surface (6) through a manual angle grinder to remove rust, grease and moisture;
1.6 A) welding position: horizontally welding a U-shaped groove on the integral welding line;
1.7 -welding requirements): all the welding layers must be free of any welding defects and fused to the base material;
1.8 And welding process parameters: setting welding parameters according to welding equipment, welding materials, weldment materials and welding requirements;
step two, welding is carried out;
2.1 Cutting a U-shaped groove along the abrasion surface by adopting a manual angle grinder due to the irregular abrasion surface (6), heating to 600-700 ℃ at 20-30mm at two sides of the U-shaped groove by adopting an oxygen-acetylene flame baking gun (3), performing temperature verification by adopting a temperature measuring gun during heating, performing bottom layer welding by adopting a Z308 welding rod with phi of 3.2mm through digitally controlling inversion type manual arc welding and argon arc welding and adopting a direct current welder after the temperature is reached, baking the baking gun (3) before the welding rod during welding, and moving the rotary baking gun (3) forwards along the circumference when the abrasion surface of the body is heated slowly to the temperature, and simultaneously welding the welding rod forwards along with a temperature area until the bottom layer welding is finished, and immediately adopting hammering to enable the surface of the welding seam to be covered with pits so as to eliminate welding stress;
2.2 After confirming that the bottom layer has no welding defect, the temperature between the filling layer and the cover layer is continuously kept at 600-700 ℃ by a baking gun (3), the combination of digital control inversion type manual arc welding rod welding and argon arc welding is also carried out by a direct current welder by adopting a Z308 welding rod with phi of 4.0mm, the horizontal included angle of the welding rod is 80-90 degrees, the strip conveying method is in a small crescent shape, welding is carried out by adopting an arc length of 12-18mm, the surface of a welding seam is fully covered with a pit by hammering immediately after each layer is welded, so as to eliminate welding stress, and finally, the cover surface of the surfacing layer is higher than a base metal, so that the smooth transition between manual grinding and the base metal is facilitated;
2.3 Heating the welding seam to 700-900 ℃ by using a baking gun after all the concave wearing surfaces (6) are welded, carrying out stress relief treatment, adopting heat-insulating cotton to cover the whole body and cooling to room temperature along with slow cooling to 250 ℃, and accurately grinding and processing the welding seam of each concave wearing surface (6) by using a manual angle grinder after no defect is confirmed by detecting flaw detection, and carrying out template comparison to recover the use tolerance size;
when each concave abrasion surface (6) is welded and repaired, the welding directions of the welding seams of the bottom layer and the cover layer are the same, and the welding directions of the welding seams of the filling layer are the same and opposite to the welding directions of the welding seams of the bottom layer and the cover layer;
when each concave abrasion surface (6) is welded and repaired, the bottom layer is welded once, the filling layer is welded twice, and the cover layer is welded three times.
2. A process for repairing a wear surface of a wheel machine bed according to claim 1, wherein: the welding equipment is a welding machine for combining manual arc welding and argon arc welding with digital control inversion type manual arc welding with the model HT400D or HT 500D.
3. A process for repairing a wear surface of a wheel machine bed according to claim 1, wherein: when the bottom layer is welded, a Z308 welding rod with the diameter of 3.2mm is adopted, the welding current is 90-130A, the arc voltage is 24+/-1V, and the welding speed is 17+/-1 cm/min; when the filling layer and the cover layer are welded, a Z308 welding rod with the diameter of 4.0mm is adopted, the welding current is 150-180A, the arc voltage is 26+/-1V, and the welding speed is 19+/-1 cm/min.
4. A process for repairing a wear surface of a wheel machine bed according to claim 1, wherein: the baking gun (3) is an H01-20 baking gun.
5. A process for repairing a wear surface of a wheel machine bed according to claim 1, wherein: the disc base (2) is formed by machining a 40mm thick steel plate, the rotating rod (41) and the rotating shaft (42) of the rotating component (4) are formed by machining phi 20mm round bars and phi 80mm round bars respectively, and the locking screw (5) is formed by machining phi 10mm round bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210417497.1A CN114654061B (en) | 2022-04-20 | 2022-04-20 | Welding heating device and repairing process for abrasion surface of base of wheel processing machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210417497.1A CN114654061B (en) | 2022-04-20 | 2022-04-20 | Welding heating device and repairing process for abrasion surface of base of wheel processing machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114654061A CN114654061A (en) | 2022-06-24 |
| CN114654061B true CN114654061B (en) | 2023-11-21 |
Family
ID=82036301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210417497.1A Active CN114654061B (en) | 2022-04-20 | 2022-04-20 | Welding heating device and repairing process for abrasion surface of base of wheel processing machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114654061B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970027591U (en) * | 1995-12-21 | 1997-07-24 | 대우자동차주식회사 | Jig for circular cutting of oxygen welding machine |
| CN103586620A (en) * | 2013-11-25 | 2014-02-19 | 河海大学常州校区 | Automatic circular-seam welding device |
| JP2014057973A (en) * | 2012-09-14 | 2014-04-03 | Shiiyaringu Kojo:Kk | Method and apparatus for gas cutting of steel plate |
| CN204420485U (en) * | 2014-12-30 | 2015-06-24 | 沈阳欧施盾新材料科技有限公司 | A kind of for spinning heating charge grilled gun support device |
| CN105057841A (en) * | 2015-07-28 | 2015-11-18 | 鞍钢建设集团有限公司 | Auxiliary device and method for manual flame rounding |
| CN107030275A (en) * | 2017-05-22 | 2017-08-11 | 江西铜业股份有限公司 | One kind baking gun apparatus |
| CN107511557A (en) * | 2016-06-15 | 2017-12-26 | 山东华联矿业股份有限公司 | Incising circular plate is with cutting rail |
| CN109014518A (en) * | 2018-09-17 | 2018-12-18 | 安徽马钢设备检修有限公司 | A kind of train wheel die holder welder and renovation technique |
| CN209886866U (en) * | 2019-03-18 | 2020-01-03 | 齐河高新昊宇数控机械有限公司 | Special double-gun welding machine for guide wheels |
| CN112958881A (en) * | 2021-02-05 | 2021-06-15 | 安徽马钢设备检修有限公司 | Manual welding device and welding process for cracking of suspension type gear reducer box body |
| CN217071099U (en) * | 2022-04-20 | 2022-07-29 | 安徽马钢设备检修有限公司 | Welding heating device for wear surface of wheel machining machine tool base |
-
2022
- 2022-04-20 CN CN202210417497.1A patent/CN114654061B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970027591U (en) * | 1995-12-21 | 1997-07-24 | 대우자동차주식회사 | Jig for circular cutting of oxygen welding machine |
| JP2014057973A (en) * | 2012-09-14 | 2014-04-03 | Shiiyaringu Kojo:Kk | Method and apparatus for gas cutting of steel plate |
| CN103586620A (en) * | 2013-11-25 | 2014-02-19 | 河海大学常州校区 | Automatic circular-seam welding device |
| CN204420485U (en) * | 2014-12-30 | 2015-06-24 | 沈阳欧施盾新材料科技有限公司 | A kind of for spinning heating charge grilled gun support device |
| CN105057841A (en) * | 2015-07-28 | 2015-11-18 | 鞍钢建设集团有限公司 | Auxiliary device and method for manual flame rounding |
| CN107511557A (en) * | 2016-06-15 | 2017-12-26 | 山东华联矿业股份有限公司 | Incising circular plate is with cutting rail |
| CN107030275A (en) * | 2017-05-22 | 2017-08-11 | 江西铜业股份有限公司 | One kind baking gun apparatus |
| CN109014518A (en) * | 2018-09-17 | 2018-12-18 | 安徽马钢设备检修有限公司 | A kind of train wheel die holder welder and renovation technique |
| CN209886866U (en) * | 2019-03-18 | 2020-01-03 | 齐河高新昊宇数控机械有限公司 | Special double-gun welding machine for guide wheels |
| CN112958881A (en) * | 2021-02-05 | 2021-06-15 | 安徽马钢设备检修有限公司 | Manual welding device and welding process for cracking of suspension type gear reducer box body |
| CN217071099U (en) * | 2022-04-20 | 2022-07-29 | 安徽马钢设备检修有限公司 | Welding heating device for wear surface of wheel machining machine tool base |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114654061A (en) | 2022-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109894716B (en) | Air welding repair process and equipment for middle section abrasion of horizontal roll shaft of tire rolling mill | |
| JP5756889B2 (en) | Rolling roll manufacturing method, rolling roll, and rolling roll manufacturing apparatus | |
| CN109014518B (en) | Welding device and repairing process for train wheel die holder | |
| KR101344343B1 (en) | automatic welding system | |
| CN104924018A (en) | On-site repairing method for large motor rotor large section cracks | |
| CN108555468A (en) | A kind of online welding and restoring process of large size spur gear | |
| CN101885100A (en) | Nickel-chromium-molybdenum alloy automatic surfacing technology for diesel engine cylinder head for ship | |
| CN105665898A (en) | Automatic submerged arc welding method for pearlitic heat-resistant steel composite board | |
| CN100463768C (en) | Welding technology for broken and waste core rod | |
| CN112958881A (en) | Manual welding device and welding process for cracking of suspension type gear reducer box body | |
| CN217071099U (en) | Welding heating device for wear surface of wheel machining machine tool base | |
| CN102848057A (en) | Method for reworking welding seam of aluminum and aluminum alloy | |
| CN113182645A (en) | Large-scale black gold bearing bush surface welding repair device and repair process | |
| CN114654061B (en) | Welding heating device and repairing process for abrasion surface of base of wheel processing machine tool | |
| CN108406150B (en) | Sample plate combination for online surfacing of star-wheel toothed plate and online surfacing method | |
| CN113210801A (en) | Welding device and repairing process for large crankshaft fracture of high-pressure pump body | |
| CN217394001U (en) | Simple welding device for cracking of large-scale high-voltage motor base lug | |
| CN112935480A (en) | Repairing device and repairing process for surface abrasion of large wheel fixing table base | |
| CN114603235B (en) | Welding repair device and welding repair method for wheel bevel gear fracture | |
| CN208680738U (en) | A kind of train wheel die holder welder | |
| CN112589241A (en) | Vertical grinding roller core inclined plane welding repair method | |
| CN217071086U (en) | Welding repair device for wheel oblique roller tooth fracture | |
| KR20020069528A (en) | The welding equipment and method for build up on the round surface of work roll | |
| CN214350629U (en) | Manual welding set of suspension type gear reduction box fracture | |
| CN209698231U (en) | Wear gas welding reparation site welding device in a kind of yire mill horizontal roll shaft middle section |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |